https://www.engadget.com/2017/08/07/...-airless-tire/

Looking at Michelin's new concept tire (dubbed the "Vision") is like staring at a mesmerizing painting of future wheels. The blue webbed structure looks nothing like a typical black tire, but feels just as sturdy. It also boasts a unique set of advanced environmentally friendly features. Many of these principles are already being used in existing tires, while others are still fairly abstract ideas. The Vision is a proof of concept, combining ideas old and new, and it gives us a glimpse at Michelin's plans for what it calls "sustainable mobility."